Page 166 - NUMINO Challenge_L2

2 4

+- +-

== 2 3

6-5=1 = =

6 - 5= 1

3. Making Expressions

EEExxxeeerrrccciiissseee 4+5=9
3456

3+6=9

3+6=4+5

EEExxxeeerrrccciiissseee 2+5=7 2+5=7

7-5=2 7-2=5

or

2+6=8 2+6=8

8-6=2 8-2=6

37Answer Key